/**create by liuhua at 2018年9月26日 下午4:01:08**/
package com.star.truffle.common.utils;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import javax.imageio.ImageIO;

import net.coobird.thumbnailator.Thumbnails;
import net.coobird.thumbnailator.geometry.Positions;

public class ThumbnailatorTest {

  /**
   * 
   * @param args
   * @throws IOException
   */
  public static void main(String[] args) throws IOException {
//    ThumbnailatorTest thumbnailatorTest = new ThumbnailatorTest();
//    thumbnailatorTest.test1();
//    thumbnailatorTest.test2();
//    thumbnailatorTest.test3();
//    thumbnailatorTest.test4();
//    thumbnailatorTest.test5();
//    thumbnailatorTest.test6();
//    thumbnailatorTest.test7();
//    thumbnailatorTest.test8();
//    thumbnailatorTest.test9();
    
    Thumbnails.of("C:\\Users\\liuhua\\Documents\\Tencent Files\\3158459\\FileRecv\\MobileFile\\444\\a.jpg").size(613, 512)
    .watermark(Positions.CENTER_RIGHT, ImageIO.read(new File("D:\\opt\\upload\\shuiyin.png")), 0.4f).outputFormat("jpg")
    .outputQuality(0.8f)
    .toFile("C:\\\\Users\\\\liuhua\\\\Documents\\\\Tencent Files\\\\3158459\\\\FileRecv\\\\MobileFile\\\\444\\\\1-min2.jpg");
  }

  /**
   * 指定大小进行缩放
   * 
   * @throws IOException
   */
  public void test1() throws IOException {
    /*
     * size(width,height) 若图片横比200小，高比300小，不变 若图片横比200小，高比300大，高缩小到300，图片比例不变
     * 若图片横比200大，高比300小，横缩小到200，图片比例不变 若图片横比200大，高比300大，图片按比例缩小，横为200或高为300
     */
    Thumbnails.of("images/test.jpg").size(200, 300).toFile("C:/image_200x300.jpg");
    Thumbnails.of("images/test.jpg").size(2560, 2048).toFile("C:/image_2560x2048.jpg");
  }

  /**
   * 按照比例进行缩放
   * 
   * @throws IOException
   */
  public void test2() throws IOException {
    /**
     * scale(比例)
     */
    Thumbnails.of("images/test.jpg").scale(0.25f).toFile("C:/image_25%.jpg");
    Thumbnails.of("images/test.jpg").scale(1.10f).toFile("C:/image_110%.jpg");
  }

  /**
   * 不按照比例，指定大小进行缩放
   * 
   * @throws IOException
   */
  public void test3() throws IOException {
    /**
     * keepAspectRatio(false) 默认是按照比例缩放的
     */
    Thumbnails.of("images/test.jpg").size(120, 120).keepAspectRatio(false).toFile("C:/image_120x120.jpg");
  }

  /**
   * 旋转
   * 
   * @throws IOException
   */
  public void test4() throws IOException {
    /**
     * rotate(角度),正数：顺时针 负数：逆时针
     */
    Thumbnails.of("images/test.jpg").size(1280, 1024).rotate(90).toFile("C:/image+90.jpg");
    Thumbnails.of("images/test.jpg").size(1280, 1024).rotate(-90).toFile("C:/iamge-90.jpg");
  }

  /**
   * 水印
   * 
   * @throws IOException
   */
  public void test5() throws IOException {
    /**
     * watermark(位置，水印图，透明度)
     */
    Thumbnails.of("images/test.jpg").size(1280, 1024).watermark(Positions.BOTTOM_RIGHT, ImageIO.read(new File("images/watermark.png")), 0.5f).outputQuality(0.8f).toFile("C:/image_watermark_bottom_right.jpg");
    Thumbnails.of("images/test.jpg").size(1280, 1024).watermark(Positions.CENTER, ImageIO.read(new File("images/watermark.png")), 0.5f).outputQuality(0.8f).toFile("C:/image_watermark_center.jpg");
  }

  /**
   * 裁剪
   * 
   * @throws IOException
   */
  public void test6() throws IOException {
    /**
     * 图片中心400*400的区域
     */
    Thumbnails.of("images/test.jpg").sourceRegion(Positions.CENTER, 400, 400).size(200, 200).keepAspectRatio(false).toFile("C:/image_region_center.jpg");
    /**
     * 图片右下400*400的区域
     */
    Thumbnails.of("images/test.jpg").sourceRegion(Positions.BOTTOM_RIGHT, 400, 400).size(200, 200).keepAspectRatio(false).toFile("C:/image_region_bootom_right.jpg");
    /**
     * 指定坐标
     */
    Thumbnails.of("images/test.jpg").sourceRegion(600, 500, 400, 400).size(200, 200).keepAspectRatio(false).toFile("C:/image_region_coord.jpg");
  }

  /**
   * 转化图像格式
   * 
   * @throws IOException
   */
  public void test7() throws IOException {
    /**
     * outputFormat(图像格式)
     */
    Thumbnails.of("images/test.jpg").size(1280, 1024).outputFormat("png").toFile("C:/image_1280x1024.png");
    Thumbnails.of("images/test.jpg").size(1280, 1024).outputFormat("gif").toFile("C:/image_1280x1024.gif");
  }

  /**
   * 输出到OutputStream
   * 
   * @throws IOException
   */
  public void test8() throws IOException {
    /**
     * toOutputStream(流对象)
     */
    OutputStream os = new FileOutputStream("C:/image_1280x1024_OutputStream.png");
    Thumbnails.of("images/test.jpg").size(1280, 1024).toOutputStream(os);
  }

  /**
   * 输出到BufferedImage
   * 
   * @throws IOException
   */
  public void test9() throws IOException {
    /**
     * asBufferedImage() 返回BufferedImage
     */
    BufferedImage thumbnail = Thumbnails.of("images/test.jpg").size(1280, 1024).asBufferedImage();
    ImageIO.write(thumbnail, "jpg", new File("C:/image_1280x1024_BufferedImage.jpg"));
  }
}
